Home / 53,205.70-79,711.35-43,291.30

Finding the Fourth Proportional to 53,205.70, 79,711.35 and 43,291.30

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Solution

The fourth proportional to 53,205.70, 79,711.35 and 43,291.30 is: 64,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,205.70 : 79,711.35 = 43,291.30 : x
  2. Step 2: Convert to fraction form
    53,205.70/79,711.35 = 43,291.30/x
  3. Step 3: Cross multiply
    53,205.70x = 79,711.35 × 43,291.30
  4. Step 4: Simplify right side
    53,205.70x = 3,450,807,966.26
  5. Step 5: Solve for x
    x = 3,450,807,966.26/53,205.70
  6. Step 6: Final answer
    x = 64,857.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.